Surface shelf



FIG. 1 is an isometric view of the surface shelf of this invention;

FIG. 2 is a front view;

FIG. 3 is a rear view;

FIG. 4 is a right side view;

FIG. 5 is a left side view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom view. 

The ornamental design for the surface shelf, as shown and described. 